You can have Itinerary for 1 day in Le Thuy district after visiting the breeding centre and come back to Dong Hoi city in the evening to prepare for the next day discovering beautiful Quang Binh with various famous attractions. Here are some suggestion for you for 1 day in Dong Hoi.

Option 1: Dong Hoi city – Thien Duong cave - Phong Nha – Kẻ Bàng cave

Option 2: Dong Hoi city – Phong Nha – Ke Bang cave – Mooc stream

If you just have a half day in Dong Hoi city, you can relax yourself at beautiful Nhat Le beach and have fun time playing at Sand Dunes of Quang Phu. Then later enjoy amazing fresh seafood in the evening.

Paradise Cave - Dubbed "the palace in the ground", Thien Duong cave in Bo Trach district, Quang Binh province is one of the most magnificent and magical wonders in the world.

Paradise cave has a length of more than 31.4 km, width ranging from 30 to 100 meters, the widest place up to 150 meters; The height from the bottom of the cave to the ceiling of about 60-80m, is considered by the Royal British Cave Association to be the longest dry cave in Asia, one of the greatest caves that the team has ever surveyed many caves world.

Paradise Cave has a magnificent, magnificent and magical structure that makes cave explorers think of an earthly heaven (hence the name Heaven) is a destination not to be missed in all Quang Binh tours of both domestic and foreign tourists.

Phong Nha cave is the most typical cave in terms of aesthetic value and uniqueness at Phong Nha - Ke Bang Heritage, voted by the Royal Society as one of the most beautiful caves in the world with 7 criteria: The cave has the most beautiful underground river; There are high and wide cave gates; There are beautiful sandy beaches and reefs; There is a beautiful underground lake; There is a large and beautiful dry cave; There is a magic and magnificent stalactite system; The longest water cave.

Following the canoe floats into the deep cave, the darkness in the cave makes the stalactites of rocks, fanciful and beautiful. Sailing over 600m of water in the cave, visitors can enjoy the breathtaking natural beauty of the cave.

 Credit: https://phongnhaexplorer.com/phong-nha/dong-thien-duong.html